factor analysis vs factor analytical

factor analysis is a noun but factor analytical is not a noun.

Word	Noun	Adjective	Verb	Adverb
factor analysis	Yes	No	No	No
factor analytical	No	Yes	No	No

factor analysis (noun)	factor analytical (noun)
any of several methods for reducing correlational data to a smaller number of dimensions or factors; beginning with a correlation matrix a small number of components or factors are extracted that are regarded as the basic variables that account for the interrelations observed in the data

factor analysis (adjective)	factor analytical (adjective)
	of or relating to or the product of factor analysis